Sealing device



FIG. 1 is a perspective view showing the sealing device, in form of a half annular body, obliquely from one side face and from the concave surface;

FIG. 2 is a perspective view showing the sealing device, from one side and the convex side thereof,

FIG. 3 is a perspective view showing my sealing device, obliquely from the other side face and from the convex side; and,

FIG. 4 is a perspective view showing my sealing device, obliquely from the other side face and from the concave side thereof. 

I claim the ornamental design for a sealing device, as shown and described hereinbefore. 